How does increasing the number of electrons affect the emission spectrum

The pressure of a gas changes from 120kPa to 50kPa. The volume changes from 45L to 40L. If the initial temperature is 81°C, what is the final temperature in Kelvin units?

How can Newton's Third Law of Motion be used to explain why it is difficult to walk on a slippery surface, such as ice?

In a lab experiment, john uses a mesh to separate soil particles from water. Which technique of separation is he using

The accepted length of a steel pipe is 6.7 m. Calculate the percent error of each of these measurements. a. 6.8 m b. 6.1 m c. 6.7 m d. 6.6 m

Describe the independent and dependent variables in this experiment then describe the other variables that need to be controlled

Based on Reference Table J. which two reactants react spontaneously? (I) Mg (s) + ZnCl2 (aq) (2) Cu (s) + FeSO4 (aq) (3) Pb (s) + ZnCl2 (aq) (4) Co (s) + NaCl (aq)

Explain the difference between valance electrons and the other electrons

Describe the development of the modern periodic table

How do you tell how many electrons an element wants to gain or lose?

An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. Which element is X